kunit: tool: drop unused load_config argument

It's always set to true except in one test case.
And in that test case it can safely be set to true anyways.

Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

tools/testing/kunit/kunit_kernel.py

@@ -219,7 +219,6 @@ class LinuxSourceTree:
 	def __init__(
 	      self,
 	      build_dir: str,
-	      load_config=True,
 	      kunitconfig_path='',
 	      kconfig_add: Optional[List[str]]=None,
 	      arch=None,
@@ -233,9 +232,6 @@ class LinuxSourceTree:
 			self._arch = 'um' if arch is None else arch
 			self._ops = get_source_tree_ops(self._arch, cross_compile)
 
-		if not load_config:
-			return
-
 		if kunitconfig_path:
 			if os.path.isdir(kunitconfig_path):
 				kunitconfig_path = os.path.join(kunitconfig_path, KUNITCONFIG_PATH)